Dweets awesomed by u/dull_pixel

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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Current theme challenge: #Opposites

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rodrigo.siqueira

function u(t) {

c.width^=0
for(y=-4;y<4;y+=.1){
for(X=-4;X<4;X+=.1){
x.fillRect(960+X*210*S(t*.6)+y*18,560-S(X*X+y*y)/(X*X+y*y)*240*S(4*t)+y*85*S(t),3,3)
}}

Oct 13 2018 8:44 PM UTC

}// 140/140

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3D Sombrero Equation

u/aleamb

cool!!

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yonatan

remix of d/10334 by u/yonatan

function u(t) {

c.width|=c.style.background='radial-gradient(tan,#000'
for(k=4e3;k--;x.fillRect(960+(k%9/4+S(t)-1)*20*$,640+k/9,2.5*$,k>9?.5:-200))$=20+k/81

Oct 12 2018 5:32 PM UTC

}// 140/140

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#default

Show more comments…
u/donbright

WWWWWWWWWWOAH
u/prplz

this is the one
u/iverjo

#shadows
u/sigveseb

YES! SO GOOD!
u/sigveseb

and it's a #default too! :P
u/loni_art

yooooooooooooooooooo!
u/katkip

lol nice
u/aleamb

great!
u/veubeke

<3
u/katkip

64 awesomes! 29/11/2019
u/dull_pixel

#raytracing
u/vain

amazing! Like the added gradient and shadow fx. ++++

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yonatan

function u(t) {

a='fillRect'
b='clearRect'
n=C(t/2)>0
x[n?b:a](0,0,2e3,2e3)
for(i=9;i--;x[n?a:b](960+(i-4-n/2)*d,540-d,d/2,d*2))d=330-C(t)*220

Oct 11 2018 9:19 AM UTC

}// 126/140

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#default

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u/katkip

this
u/katkip

is one
u/katkip

of the best defaults
u/katkip

I have ever seen
u/katkip

#illusion
u/magna

Dave would be proud.
u/joeytwiddle

#infinite #loop

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katkip

function u(t) {

c.width^=0;x.translate(960,540);for(i=-10;i++<10;)
x.lineTo(0,i*40),
x.rotate(C(t+i)),
x.lineWidth=20,
x.stroke()

Oct 5 2018 9:47 AM UTC

}// 113/140

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#abstract thing.

u/joeytwiddle

Looks like half of Batman's batsignal
u/DataMeta

Funky organism
u/BirdsTweetCodersDweet

Looks like a wrench to me, inside some sort of half-hexagon...

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BalintCsala

function u(t) {

eval(unescape(escape`景爨欽椽㉥㌻椭ⴻ砮晩汬剥捴⡓⡴⤪稫㤶〫匨洽房⡫⩪簰⤪⨴㨰⤪爭猯㈬䌨琩⩺⬵㐰⭃⡭⤪爬猬房猺猯㤩⥢㵩┲㤬稽椯㤬樽⡩⽫⭴⤥ㄬ爽⡢㼱攴㨸攳⤯稬猽㙥㌯稬砮晩汬却祬攽刨愽㤹⭓⡪⨹⤪㠸ⱡⱡ⤻`.replace(/u(..)/g,"$1%")))//SC

Oct 2 2018 12:01 AM UTC

}// 140/140

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Strange crystals v0.140

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u/BalintCsala

Thanks to u/yonatan for making this possible
u/joeytwiddle

Strange crystals was a #js1k demo so wow! https://js1k.com/2013-spring/demo/1459 https://js1k.com/2013-spring/demo/1555
u/joeytwiddle

yonatan's 139 redux: for(k=i=2e3;i--;x.fillRect(960+S(m=(k*j&-b)**4)*r-z,540+C(m)*r,T=5e3/z,T))b=i%9>0,j=(i/k+t)%1,z=i/9,r=(b?1e4:8e3)/z,x.fillStyle=R(S(j*9)*z)
u/joeytwiddle

yonatan's 149 redux: for(k=i=2e3;i--;x.fillRect(960+S(m=(k*j&-b)**4)*r-z,540+C(m)*r,s=5e3/z,s))b=i%9>0,j=(i/k+t)%1,z=i/9,r=(b?1e4:8e3)/z,x.fillStyle=R(a=99+S(j*9)*99,a,a)
u/magna

Whoa!
u/lionleaf

#minecraft
u/iverjo

#witchcraft
u/Joachim

#tunnel

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yonatan

remix of d/10175 by u/yonatan

function u(t) {

eval(unescape(escape`景爨挮睩摴栽㤹Ⱪ㴲攳㭩ⴭ㭾⡱籙⤦㐦☱㰼⡙㰼㉼焪㈩☳㔹㑼籸⹦楬汒散琨㔰⭃⡭⤪爬甪㈲ⵓ⡭⤪爯㌬㘬㔩⥡㵩⼱㠬爽⠹⭃⡩⤩⨶⩓⡓⡵㴳⵩⼶㘶⤪⨮㔩ⱸ⹦楬汓瑹汥㵒⡧㵓⡭㵴⭡⤪㌰〬术㈩ⱙ㵵⨳ⴴⱱ㵡┶⸳`.replace(/u(..)/g,"$1%")))

Sep 30 2018 7:51 PM UTC

}// 140/140

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Another jackolantern (thx u/BirdsTweetCodersDweet)

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u/yonatan

for(c.width=99,i=2e3;i--;~(q|Y)&4&&1<<(Y<<2|q*2)&3594||x.fillRect(50+C(m)*r,u*22-S(m)*r/3,6,5))a=i/18,r=(9+C(i))*6*S(S(u=3-i/666)**.5),x.fillStyle=R(g=S(m=t+a)*300,g/2),Y=u*3-4,q=a%6.3
u/yonatan

Light it with: R(g=300-S(m=t+a)*255,...
u/joeytwiddle

#halloween #pumpkin
u/donbright

insane
u/katkip

i do not have word to say
u/magna

*curse words*
u/sigveseb

holy
u/UEZ

Can you explain me how JS executes this: ~(q|Y)&4&&1<<(Y<<2|q*2)&3594||x.fillRect()? Thx

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yonatan

remix of d/10159 by u/yonatan

function u(t) {

eval(unescape(escape`景爨椽㉥㌻椭ⴻ⠡⠨浼天☭㐩⨨ㄼ㰨夼㰲籭⨲⴮㘩☳㔹㐩⥼籸⹦楬汒散琨㤶〫䌨洩⩲ⱓ⠭洩⩲⼴⭴⨴㔰ⰹⰹ⤩戽䌨椯ㄶ⤬爽⠲〫戩⨵〪匨匨琩⨪⸵⤬砮晩汬却祬攽刨焽㌰〫截⨳⨹ⵓ⡭㵩⼳㈰⤪ㄸ〬焯㈩ⱙ㵴⨳ⴴ`.replace(/u(..)/g,"$1%")))

Sep 29 2018 8:11 PM UTC

}// 140/140

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Happy Halloween! (yes, I know it's a month from now)

u/yonatan

for(i=2e3;i--;(!((m|Y)&-4)*(1<<(Y<<2|m*2-.6)&3594))||x.fillRect(960+C(m)*r,S(-m)*r/4+t*450,9,9))b=C(i/16),r=(20+b)*50*S(S(t)**.5),x.fillStyle=R(q=300+b**3*9-S(m=i/320)*180,q/2),Y=t*3-4
u/magna

DUDE.
u/joeytwiddle

Amazing! :D #pumpkin #halloween
u/Fox

2spook4me

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katkip

function u(t) {

eval(unescape(escape`挮睩摴株㴱㭤㴨焬攬温㴾砮晩汬剥捴⡱⭮⨱〰⭓⡴⤪㌰〬攬㔰ⰲ〰⤻景爨椽〻椫⬼㤻⥤⠴〰ⰲ〰Ⱪ⤬搨㐰〫匨椪匨琩⭴⨲⤪㄰ⰷ〰⭃⠭椪䌨琯㤩⭴⨳⤪㄰Ⱪ⤻砮晩汬却祬攽✣〰晤✬砮晩汬剥捴⠰ⰵ㐰ⰲ攳ⰲ攳⤻`.replace(/u(..)/g,"$1%")))

Sep 23 2018 2:19 PM UTC

}// 140/140

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The most #realistic #water reflection Dweet ever!

u/joeytwiddle

Very nice! #default
u/sigveseb

Rocks hard

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katkip

remix of d/10027 by u/katkip

function u(t) {

c.width^=0;for(i=-1;i++<128;)for(j=-1;j++<72;)
x.fillStyle=
S(i**2+i/j+t/j+t*9)>0?'#009':'#00f',
x.fillRect(i*15,j*15,155,15)

Sep 22 2018 5:42 PM UTC

}// 125/140

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Waterfall

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lionleaf

remix of d/7747 by u/lionleaf

function u(t) {

 for(c.width|=i=5;i--;x.fillText('10000?'[i],i*399,540+S(t*9+i)*99))x.font=C(t-i/9)*3e2+'px x',x.fillStyle=`hsl(${t*i*t},50%,50%`

Sep 21 2018 2:47 PM UTC

}// 129/140

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10000?!

u/katkip

Hacker
u/SuperFromND

Congrats on dweet #10,000!
u/donbright

well done. thanks for creating this.
u/lionleaf

#nsfw test

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